Part 3/3: Behind the Design Engineered Sleep and Texas Pocket Springs Collab on the Duo Lift Mattress Davis, Engineered Sleep, and Matan, Texas Pocket Springs, discuss the Duo Lift Mattress. It uses a combination of an 8” TPS QuadCoil, a 3” TPS Mini QuadCoil, Organic Cotton, and New Zealand Wool to make a one of a kind mattress. #mattress #quadcoil #pocketspring #mattresses #behindthedesign #reels #reelinstagram #mattressshopping #mattressdesign #design #pocketedspringmattress #pocketedcoils #coils #lift #duomattress